Home / 15,888,072.05-21,924,893.82-9,012,406.49

Finding the Fourth Proportional to 15,888,072.05, 21,924,893.82 and 9,012,406.49

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Solution

The fourth proportional to 15,888,072.05, 21,924,893.82 and 9,012,406.49 is: 12,436,754.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,888,072.05 : 21,924,893.82 = 9,012,406.49 : x
  2. Step 2: Convert to fraction form
    15,888,072.05/21,924,893.82 = 9,012,406.49/x
  3. Step 3: Cross multiply
    15,888,072.05x = 21,924,893.82 × 9,012,406.49
  4. Step 4: Simplify right side
    15,888,072.05x = 197,596,055,201,242.38
  5. Step 5: Solve for x
    x = 197,596,055,201,242.38/15,888,072.05
  6. Step 6: Final answer
    x = 12,436,754.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.